21910086

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 30206394

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 239, 463, 478, 717, 926, 1389, 1434, 2151, 2629, 2778, 4167, 4302, 5093, 5258, 7887, 8334, 10186, 15279, 15774, 23661, 30558, 45837, 47322, 91674, 110657, 221314, 331971, 663942, 995913, 1217227, 1991826, 2434454, 3651681, 7303362, 10955043, 21910086]

約数ペア:

[(1, 21910086), (2, 10955043), (3, 7303362), (6, 3651681), (9, 2434454), (11, 1991826), (18, 1217227), (22, 995913), (33, 663942), (66, 331971), (99, 221314), (198, 110657), (239, 91674), (463, 47322), (478, 45837), (717, 30558), (926, 23661), (1389, 15774), (1434, 15279), (2151, 10186), (2629, 8334), (2778, 7887), (4167, 5258), (4302, 5093)]